diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 4d2c429957774c814689e0733b08fb1c6a10951d..965259746cf123449ec1eae9c56a5bd088c35bec 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -786,6 +786,7 @@ doc/naming.md \
 doc/negative-http2-interop-test-descriptions.md \
 doc/server-reflection.md \
 doc/server_reflection_tutorial.md \
+doc/server_side_auth.md \
 doc/service_config.md \
 doc/statuscodes.md \
 doc/stress_test_framework.md \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 498f572dc625de70853b6299d6af27a939c8f686..d98475fb00c71807ae58bb1ad00dad28b938db5a 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -786,6 +786,7 @@ doc/naming.md \
 doc/negative-http2-interop-test-descriptions.md \
 doc/server-reflection.md \
 doc/server_reflection_tutorial.md \
+doc/server_side_auth.md \
 doc/service_config.md \
 doc/statuscodes.md \
 doc/stress_test_framework.md \
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index fa41e56b43a0297226dbe43bf2553343291e98b9..478bdb2d0427530c8e5f563b33e5e6fa5a69a62b 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -785,6 +785,7 @@ doc/naming.md \
 doc/negative-http2-interop-test-descriptions.md \
 doc/server-reflection.md \
 doc/server_reflection_tutorial.md \
+doc/server_side_auth.md \
 doc/service_config.md \
 doc/statuscodes.md \
 doc/stress_test_framework.md \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index bffa050041e85554a2149de5b9619df2311f8d0a..a7d6aaeb9ef221a8c7c8d93dcdcdf6f6c6b662a3 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -785,6 +785,7 @@ doc/naming.md \
 doc/negative-http2-interop-test-descriptions.md \
 doc/server-reflection.md \
 doc/server_reflection_tutorial.md \
+doc/server_side_auth.md \
 doc/service_config.md \
 doc/statuscodes.md \
 doc/stress_test_framework.md \